/*
 * Copyright (C) 2022 panpf <panpfpanpf@outlook.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.panpf.sketch.request

import android.graphics.drawable.Drawable
import com.github.panpf.sketch.datasource.DataFrom
import com.github.panpf.sketch.decode.ImageInfo

/**
 * Result of [DisplayRequest]
 */
sealed interface DisplayResult : ImageResult {

    val drawable: Drawable?

    data class Success constructor(
        override val request: DisplayRequest,
        val requestKey: String,
        val requestCacheKey: String,
        override val drawable: Drawable,
        val imageInfo: ImageInfo,
        val dataFrom: DataFrom,
        /**
         * Store the transformation history of the Bitmap
         */
        val transformedList: List<String>?,
        /**
         * Store some additional information for consumer use
         */
        val extras: Map<String, String>?,
    ) : DisplayResult, ImageResult.Success

    data class Error constructor(
        override val request: DisplayRequest,
        override val drawable: Drawable?,
        override val throwable: Throwable,
    ) : DisplayResult, ImageResult.Error
}